Malicious PDF — malware analysis report

Static analysis result for SHA-256 8211b11766f4530f…

MALICIOUS

PDF

73.1 KB Created: 2021-03-07 06:48:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: c82055c87a2a5df52d7b95ba14040712 SHA-1: a0b82a29963c85e29be6704d512104692b031330 SHA-256: 8211b11766f4530f5395738981b43a46f0a28ca9316abc0e3104f89e89349dfa
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://xajibur.ru/award?keyword=what+does+the+dmv+vision+test+look+like PDF link annotation
    • http://pidagenavuziw.mywebcommunity.org/7377352224.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451737/normal_600ca669119c2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421970/normal_603b81be420e5.pdfIn PDF document text
    • http://keepxufi.space/fuxatmki83.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375503/normal_5fdbdb3f7ade0.pdfIn PDF document text
    • http://help-nanny.site/ielts_reading_strategies_rachel_mitchellqbno8.pdfIn PDF document text
    • https://zixokamewi.weebly.com/uploads/1/3/4/3/134386319/sujejavalomi-pulun-vufilesip.pdfIn PDF document text
    • http://mowefopovog.mywebcommunity.org/82188084470.pdfIn PDF document text
    • http://tadugebakonuged.getenjoyment.net/705024237.pdfIn PDF document text
    • http://daddytestit.xyz/4354912789m7dol.pdfIn PDF document text
    • https://pasorizafam.weebly.com/uploads/1/3/4/0/134096756/boverelatun.pdfIn PDF document text
    • https://fezagigix.weebly.com/uploads/1/3/0/8/130813643/wulepibeberutivaz.pdfIn PDF document text
    • https://murafasonuralab.weebly.com/uploads/1/3/5/3/135398902/766ae.pdfIn PDF document text
    • http://sodalabs.club/mupipejejijilukeipg3a.pdfIn PDF document text
    • http://trening-ekaterinodar.ru/luxikavikuzeza691sl.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://434dcbc4-7bd9-40fe-99bf-e102daebf961.filesusr.com/ugd/07ef24_3541f7024ac34fdc8150ae4422e8f15d.pdf?index=trueIn PDF document text
    • https://f039f7e9-c7fa-441d-bf3d-2f0e35d6be10.filesusr.com/ugd/80685d_18dba654d2d34c8780dc1c3096e849f5.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/76da8050-c764-4c26-a2c3-570e314cd9c8/all_the_things_you_are_chords_ukulele.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8e7ae8eb-dc16-48d0-94ba-a789b989b4fe/66625802850.pdfIn PDF document text
    • https://1f571a09-6495-4108-bd1a-9715deae29b5.filesusr.com/ugd/b0bf26_afd4ac6c37384c33af42ce29a641ea19.pdf?index=trueIn PDF document text
    • https://1cdd1dcb-54a5-4750-95ad-c4cce9a68cd1.filesusr.com/ugd/1e32c2_d877075d4df645a39d173f619f4b8161.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/ffffd69b-9062-4a7b-9c30-531666ff2359/50357393075.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb24f21b-f455-4d9a-827f-ff38bc9f5ea3/bonoralutatefuzixu.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e2b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2B5 5108 bytes
SHA-256: 5e542605499a1857d2ee3ed13aa7bc860fc63e1336a4cec0aa404c8ff3bdd2d2
font_01_sfnt_off0000f400.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF400 10240 bytes
SHA-256: 9b4483e0411119ce8c16c8e821e8f6e4d7ce6c0e4f812bbb2dcb4a34d4e06007

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